// security reports

Incident Reports

Deep-dive analysis of DeFi exploits, vulnerabilities, and security incidents.Learn from real-world attacks.

August 2026

The Sandbox SAND Delegate Hijack and Unbacked Mint
baseAugust 22, 2026-$1.02M

The Sandbox SAND Delegate Hijack and Unbacked Mint

The SAND OFT's own approveAndCall let an attacker name themselves LayerZero delegate, forge inbound verification, mint 329 trillion unbacked SAND on Base and empty the Ethereum adapter.

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Allbridge $191K Phantom CCTP Deposit Exploit
baseAugust 19, 2026-$191K

Allbridge $191K Phantom CCTP Deposit Exploit

Allbridge's new CCTP router on Base credited a forged Circle message as a real deposit. The attacker booked a phantom $1M, flash-loaned the shortfall and took the router's entire 191,156 USDC.

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Maya Protocol Six-Bug Trade Account Exploit
mayachainAugust 18, 2026-$1.36M

Maya Protocol Six-Bug Trade Account Exploit

An attacker chained six MAYAChain bugs so a false theft alert paid an uncapped 49.45M CACAO subsidy into a pool holding 0.11 LINK, then took 99.93% of it and withdrew 48.87M CACAO.

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Harmony 4 Billion ONE Unauthorized Mint Exploit
harmonyAugust 12, 2026

Harmony 4 Billion ONE Unauthorized Mint Exploit

An attacker minted about 4 billion ONE, inflating Harmony's supply by roughly 26%, while a masked totalSupply reading delayed detection and 97% of the tokens reached exchanges before any freeze.

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Ravencoin Consensus Exploit Forces Three-Day Chain Rollback
ravencoinAugust 7, 2026

Ravencoin Consensus Exploit Forces Three-Day Chain Rollback

A missing nHeight check in Ravencoin's KAWPOW validation let attackers append forged blocks with no real proof-of-work, forcing RVN freezes and a rollback to block 4,487,775.

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Top 10 DeFi Hacks of 2026 (So Far)
guideAugust 1, 2026

Top 10 DeFi Hacks of 2026 (So Far)

The ten biggest DeFi hacks of January through July 2026, ranked by amount lost: KelpDAO's $292M bridge exploit, Drift's $285M key compromise, and eight more, with the root cause of each and the operational-failure pattern behind nearly half the year's losses.

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July 2026

Coldcard $116M Seed Entropy Exploit
bitcoinJuly 30, 2026-$116.00M

Coldcard $116M Seed Entropy Exploit

A firmware build error gave Coldcard seeds as little as 40 bits of entropy for five years; attackers brute-forced the keyspace offline and swept $116M in BTC from more than 5,200 addresses in four waves.

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Guru.fund $96K Vault Approval Exploit
ethereumJuly 24, 2026-$96K

Guru.fund $96K Vault Approval Exploit

Guru.fund, a delegated fund-management protocol on Ethereum, lost about $96K across seven transactions when a whitelisted deposit adapter let attackers make each vault approve and drain itself.

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Verus Bridge $7.54M Forged Import Exploit
ethereumJuly 23, 2026-$7.54M

Verus Bridge $7.54M Forged Import Exploit

The Verus-Ethereum bridge was drained of $7.54M via a forged cross-chain import on July 23, 2026, two weeks after it refilled reserves recovered from May's $11.58M hack of the same import path.

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DeFi Security Monitoring Tools Compared (2026)
guideJuly 21, 2026

DeFi Security Monitoring Tools Compared (2026)

How real-time DeFi security monitoring tools compare in 2026: enterprise platforms (Hypernative, Hexagate), inline firewalls (Forta Firewall, BlockSec), and self-serve machine-readable feeds (Defimon), by approach, coverage, integration, and pricing.

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Automating DeFi Incident Response with a WebSocket Exploit Feed
guideJuly 16, 2026

Automating DeFi Incident Response with a WebSocket Exploit Feed

A production integration guide for the Defimon WebSocket feed: raw vs confirmed streams, reconnect handling, filtering alerts against your contracts and exposure, and what to automate versus page a human for.

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Ostium $23.75M Oracle Manipulation Exploit
arbitrumJuly 15, 2026-$23.75M

Ostium $23.75M Oracle Manipulation Exploit

Ostium, a perpetuals DEX on Arbitrum, lost $23.75M when an attacker with price-submission authority opened BTC longs at $5,000 and closed them near $60,000, draining the vault that backs every trade.

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Bridge Exploits Explained: Why Cross-Chain Is DeFi's Weakest Link
guideJuly 15, 2026

Bridge Exploits Explained: Why Cross-Chain Is DeFi's Weakest Link

How cross-chain bridges get drained: validator key compromise, message verification bugs, false deposit events and custody failure, from Ronin and Wormhole to Shibarium and KelpDAO.

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Oracle Manipulation Attacks in DeFi: How Price Oracles Get Exploited
guideJuly 15, 2026

Oracle Manipulation Attacks in DeFi: How Price Oracles Get Exploited

How DeFi price oracles get manipulated: spot-reserve pricing, missing update authorization, stale feeds and donation attacks, with real incidents and the on-chain patterns that expose them in real time.

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Flash Loan Attacks Explained: How They Work and How to Detect Them
guideJuly 15, 2026

Flash Loan Attacks Explained: How They Work and How to Detect Them

What flash loan attacks are, why the loan itself is never the vulnerability, and how exploits that borrow nine figures with zero collateral are detected on-chain within a second.

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